function OAS_AD(pos) {
 zflag_nid = quad_positions[pos].zflag_nid;
 zflag_sid = quad_positions[pos].zflag_sid;
 zflag_cid = quad_positions[pos].zflag_cid;
 zflag_sz = quad_positions[pos].zflag_sz;
 zflag_width = quad_positions[pos].zflag_width;
 zflag_height = quad_positions[pos].zflag_height;
 quad_type = quad_positions[pos].quad_type;

 if(quad_type == 'IFRAME')
 {
	 zzflcrender(zflag_nid, zflag_sid, zflag_cid, zflag_sz, zflag_width, zflag_height, '', '', '');
 }
 else
 {
	zzfocrender(zflag_nid, zflag_sid, zflag_cid, zflag_sz, zflag_width, zflag_height, '', '', '');
 }

 
}